/*************************************************************************
 * This file is part of HeroesForge.
 *
 * HeroesForge is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeroesForge is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeroesForge.  If not, see <http://www.gnu.org/licenses/>.
 *************************************************************************/
package org.diskordia.heroesforge.core.util;

/**
 * @author lehmamic
 */
public class Converter {
	private static final String HEXES = "0123456789ABCDEF";
	
	/**
	 * Converts a byte array into a hex string.
	 * 
	 * @param bytes the byte array to convert.
	 * @return a string containing the hex values of the bytes within the array.
	 */
	public static String BytesToHex(byte[] bytes)
	{
	    if ( bytes == null ){
	        return "";
	    }
	    
	    final StringBuilder hex = new StringBuilder( 2 * bytes.length );
	    for ( final byte b : bytes ){
	    	hex.append(HEXES.charAt((b & 0xF0) >> 4))
	           .append(HEXES.charAt((b & 0x0F)));
	    }
	    
	    return hex.toString();
	}
}
